c++ forbids comparison between pointer and integer
char a[2] defines an array of char's. a is a pointer to the memory at
the beginning of the array and using == won't actually compare the
contents of a with 'ab' because they aren't actually the same types,
'ab' is integer type. Also 'ab' should be "ab" otherwise you'll have
problems here too. To compare arrays of char you'd want to use strcmp.
Something that might be illustrative is looking at the typeid of 'ab':
Are there any code examples left?
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